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Subject[PATCH] mm/memcontrol: fix a -Wunused-function warning
Date
mem_cgroup_id_get() was introduced in the commit 73f576c04b94
("mm:memcontrol: fix cgroup creation failure after many small jobs").

Later, it no longer has any user since the commits,

1f47b61fb407 ("mm: memcontrol: fix swap counter leak on swapout from offline cgroup")
58fa2a5512d9 ("mm: memcontrol: add sanity checks for memcg->id.ref on get/put")

so safe to remove it.

Signed-off-by: Qian Cai <cai@lca.pw>
---
mm/memcontrol.c | 5 -----
1 file changed, 5 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 9ec5e12486a7..9a375b376157 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -4675,11 +4675,6 @@ static void mem_cgroup_id_put_many(struct mem_cgroup *memcg, unsigned int n)
}
}

-static inline void mem_cgroup_id_get(struct mem_cgroup *memcg)
-{
- mem_cgroup_id_get_many(memcg, 1);
-}
-
static inline void mem_cgroup_id_put(struct mem_cgroup *memcg)
{
mem_cgroup_id_put_many(memcg, 1);
--
1.8.3.1
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